/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package ar.com.minerva.servlet;

import ar.com.minerva.facade.ServiceFacade;
import java.io.IOException;
import java.util.HashMap;
import java.util.Map.Entry;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Pupa Rlz!
 */
public class TemplatesServlet extends HttpServlet {

    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html;charset=UTF-8");
        
        ServiceFacade facade = ServiceFacade.getInstance();
        System.out.println("Home Servlet");
        
        String style = request.getParameter("style");
        
        
        /*
         * If the incoming Parameter 'style' equals a key of the HashMap, 
         * puts the parameter 'cssPaths' on the session with the path
        */
        if(style != null) {
            
            HashMap<String,String> stylePaths = facade.getCssStylePaths();
            
            for(Entry<String,String> entry : stylePaths.entrySet() ) {
                if(entry.getKey().equals(style)) {
                    request.getSession().setAttribute("cssPath", entry.getValue());
                }
            }
            
            
        }
        
        
        
        // forwards to templates page
        String nextJSP = "/pages/templates.jsp";
        RequestDispatcher dispatcher = getServletContext().getRequestDispatcher(nextJSP);
        dispatcher.forward(request, response);
        
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
